20531472

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{2531}}^1$

素因数の和:2568

約数の個数: 60

約数和(自身を含む): 57456144

約数和(自身を除く): 36924672

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2531, 2704, 4056, 5062, 7593, 8112, 10124, 15186, 20248, 30372, 32903, 40496, 60744, 65806, 98709, 121488, 131612, 197418, 263224, 394836, 427739, 526448, 789672, 855478, 1283217, 1579344, 1710956, 2566434, 3421912, 5132868, 6843824, 10265736, 20531472]

約数ペア:

[(1, 20531472), (2, 10265736), (3, 6843824), (4, 5132868), (6, 3421912), (8, 2566434), (12, 1710956), (13, 1579344), (16, 1283217), (24, 855478), (26, 789672), (39, 526448), (48, 427739), (52, 394836), (78, 263224), (104, 197418), (156, 131612), (169, 121488), (208, 98709), (312, 65806), (338, 60744), (507, 40496), (624, 32903), (676, 30372), (1014, 20248), (1352, 15186), (2028, 10124), (2531, 8112), (2704, 7593), (4056, 5062)]